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Publications [#277407] of Redford B. Williams

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Journal Articles

  1. Jr, RBW; Eichelman, BS; Ng, LKY (1979). The effects of peripheral chemosympathectomy and adrenalectomy upon blood pressure responses of the rat to footshock under varying conditions: Evidence for behavioral effects on patterning of sympathetic nervous system responses. Psychophysiology, 16(2), 89-93.
    (last updated on 2019/04/25)

    Abstract:
    A significant decrease in blood pressure is observed after shock-induced fighting in intact rats. In rats treated with intravenous 6-hydroxydopamine, a drug that selectively destroys peripheral sympathetic nerve endings when given by this route, this blood pressure response is reversed to a significant increase. In contrast, adrenalectomy converts a slight increase in blood pressure after intact rats are shocked alone in the cage into a significant decrease. These alterations in blood pressure response suggest that the sympathetic response to a stressful stimulus is not an all or none response, but, rather, consists of a patterned activation depending upon the behavioral response available. The current physiological findings are consistent with neuroendocrine research in which coping behavior is found associated with a predominant norepinephrine release by the sympathetic nervous system, and stress without available coping responses is associated with release also of epinephrine.


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